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    • 15. 发明申请
    • Apparatus for use with expandable stents
    • 用于可扩展支架的装置
    • US20060229701A1
    • 2006-10-12
    • US11372932
    • 2006-03-10
    • Hitinder GurmJay YadavJi-Feng Chen
    • Hitinder GurmJay YadavJi-Feng Chen
    • A61F2/06
    • A61F2/958
    • An apparatus for use with an expandable stent having oppositely disposed first and second terminal edges. The apparatus has a catheter shaft with a lumen, and an inflatable balloon with oppositely disposed first and second end portions and an internal chamber. The internal chamber is in fluid communication with the lumen of the catheter shaft, and receives inflation fluid to inflate the balloon. The balloon has cylindrical inner and outer surfaces that extend between the end portions. The cylindrical inner surface is secured to the catheter shaft at first and second attachment sites adjacent the first and second end portions, respectively. At least one of the first and second end portions of the balloon has a toroidal shape defined by an arcuate end surface that intersects the cylindrical inner and outer surfaces at a common radial plane. A respective one of the attachment sites is located adjacent the one end portion lying adjacent the common radial plane. The balloon is positionable within the stent so that one of the terminal edges of the stent lies in the common radial plane to ensure that, when the balloon is expanded, the one terminal edge receives full and uniform expansion pressure.
    • 一种与具有相对设置的第一和第二端边缘的可扩张支架一起使用的装置。 该装置具有带内腔的导管轴和具有相对设置的第一和第二端部和内部腔室的可膨胀气囊。 内室与导管轴的内腔流体连通,并接收充气流体以使气囊膨胀。 气球具有在端部之间延伸的圆柱形内表面和外表面。 圆柱形内表面分别在与第一和第二端部相邻的第一和第二附接位置处固定到导管轴。 球囊的第一和第二端部中的至少一个具有由弧形端面限定的环形形状,该圆弧端面与圆柱形内表面和外表面在共同的径向平面相交。 附接位置中的相应一个位于邻近公共径向平面的一个端部附近。 气囊可以定位在支架内,使得支架的一个端部边缘位于共同的径向平面中,以确保当气囊膨胀时,一个末端边缘接收完全均匀的膨胀压力。
    • 16. 发明申请
    • Apparatus and method for treating a regurgitant valve
    • 用于治疗反流阀的装置和方法
    • US20070198082A1
    • 2007-08-23
    • US11638864
    • 2006-12-14
    • Samir KapadiaJay Yadav
    • Samir KapadiaJay Yadav
    • A61F2/24A61M29/02
    • A61B17/0401A61B17/00234A61B2017/00575A61B2017/00588A61B2017/00592A61B2017/00597A61B2017/00606A61B2017/00615A61B2017/0417A61B2017/0443A61F2/246A61F2/2496
    • An apparatus for treating regurgitation of blood through a diseased heart valve having at least two leaflets includes an occluding member configured to be positioned within the diseased heart valve so that at least a portion of the occluding member is positioned adjacent to one of the at least two leaflets. The at least one portion of the occluding member contacts at least one surface of the at least one leaflet. The occluding member is dimensioned so that the at least one leaflet abuts the at least one surface of the occluding member. The apparatus further includes a suspending wire operatively attached to the occluding member and configured to facilitate positioning of the occluding member within the heart valve. The suspending wire includes an anchoring portion having a coiled shape. The anchoring portion is configured to secure the suspending wire to at least one of a blood vessel and a heart wall surrounding a heart chamber.
    • 用于通过具有至少两个小叶的患病心脏瓣膜治疗血液反流的装置包括被配置为定位在患病心脏瓣膜内的阻塞构件,使得至少一部分阻塞构件邻近至少两个之一 传单。 阻塞构件的至少一部分接触至少一个传单的至少一个表面。 闭塞构件的尺寸设计成使得至少一个叶片邻接闭塞构件的至少一个表面。 该装置还包括可操作地附接到闭塞构件并构造成便于将闭塞构件定位在心脏瓣膜内的悬挂线。 悬挂线包括具有盘绕形状的锚固部分。 锚定部分被构造成将悬挂线固定到围绕心脏腔室的血管和心脏壁中的至少一个。